Airgas,
Inc. through its subsidiaries, is a
leading supplier of industrial, medical and specialty gases, and
hard goods, such as welding equipment and related products. Airgas is a
leading U.S. producer of atmospheric gases with 16 air separation
plants, a leading producer of carbon dioxide, dry ice, and nitrous
oxide, one of the largest U.S. suppliers of safety products, and a
leading U.S. supplier of refrigerants, ammonia products, and process
chemicals.

Features

Type I hard hats are used to reduce the force of impacts from falling overhead.

Class E hard hats are used for electrical applications and
protect against contact with high voltage conductors. They have the
highest rating and are tested at 20,000 volts AC for three minutes.
Class E hard hats also meet Class G and Class C regulations. Class E was
formerly designated Class B.

Ratchet adjustments systems are designed with a knob for turning and locking into place.